Bui. 153, U. S. Dept. of Agriculture. 



PLATE V. 



FIG. 1. SCOTCH PINE PLANTATION, CAPE COD, MASS., 35 YEARS OLD, ON VERY SANDY 



SOIL. 



FIQ. 2. TWENTY-THREE-YEAR-OLD PLANTATION, IOWA. SCOTCH PINE ON RIGHT, 

 WHITE PINE ON LEFT. SHOWS CHARACTERISTIC APPEARANCE OF SCOTCH PINE IN 

 THIS REGION AFTER AGE OF 20 YEARS. 



